May weather forecastJacarecica, Brazil

Weather in May

The last month of the autumn, May, is also a moderately hot month in Jacarecica, Brazil, with temperature in the range of an average high of 28.9°C (84°F) and an average low of 22.4°C (72.3°F).

Temperature

Entering May, Jacarecica's average high-temperature reads a warm 28.9°C (84°F), indicating a close resemblance to the previous month's climate. During May, Jacarecica experiences an average low-temperature of 22.4°C (72.3°F) at night.

Heat index

May's mean heat index is calculated to be a very hot 35°C (95°F). Use additional protective measures, heat cramps and heat exhaustion are possible outcomes. Continuous activity might lead to heatstroke.
Heat index determinations are made taking into account the shade and light air movements. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is the result of factoring in humidity to the air temperature, indicating perceived warmth. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. In the presence of abundant moisture in the atmosphere, the cooling process through evaporation is hindered, causing the body to feel excessively warm. When the body is unable to balance heat gain, its temperature elevates, which may induce thermal illnesses.

Humidity

In Jacarecica, the average relative humidity in May is 83%.

Rainfall

In May, in Jacarecica, the rain falls for 24.1 days. Throughout May, 102mm (4.02") of precipitation is accumulated. Throughout the year, in Jacarecica, there are 256.6 rainfall days, and 686mm (27.01") of precipitation is accumulated.

Daylight

The average length of the day in May in Jacarecica is 11h and 41min.
On the first day of May, sunrise is at 05:26 and sunset at 17:12. On the last day of the month, sunrise is at 05:32 and sunset at 17:08 -03.

Sunshine

In May, the average sunshine is 7.2h.

UV index

The months with the lowest UV index in Jacarecica, Brazil, are April through September, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: In May, an average UV index of 6 transforms into the following instructions:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.